Impact on Functional Status in Older Adults Treated With L-Carnitine

Inclusion Criteria: * Patients who meet at least 2 criteria for the fragility phenotype of Linda Fried * Ability to comply with aerobic physical activity of moderate intensity and basic resistance. * Not depressed patients (Yesavage \<5 in patients without previous depression or Hamilton \<7 in patients in treatment for depression) * MMSE (Mini-Mental State Examination) greater than 24 points. * Independent or mildly dependent patients, Barthel\> 95 points. * Patients without visual disturbances or with decreased visual acuity corrected. * No pain or with VAS (Visual analogue scale) \<3/10. * Patients without nutritional risk, MNA (Mini Nutritional Assessment \> 23.5 / 30 points) and BMI (Body Mass Index) \> 23 kg / m2. Exclusion Criteria: * Absolute contraindications for performing physical exercise: recent AMI or unstable angina, uncontrolled hypertension, acute HF and complete AV block. * Patients with osteoarticular pathology that limits their physical activity. * Previous neurological pathology (Stroke, Enf. Of Parkinson's). * Acute or chronic diseases decompensated or with lymphedema that makes difficult the accomplishment of the bioimpedanciometry. * Patients using orthopedic devices and prostheses or pacemakers that interfere with gait or impede the achievement of bioimpedanciometry. * BMI less than 23 and / or an involuntary weight loss of 3kg or more in the last 3 months. * Psychiatric disorders that hinder adherence to treatment. * Moderate to severe Chronic Renal Disease * Patient who does not agree to participate in the study.